". . .Journalistic ethicists agreed that undercover reporting is pointless and unethical “when you indulge in subterfuge to merely provide the conventional wisdom with a concrete example.” The irony in that judgment, of course, is that the most successful undercover reporting often does just that, putting a face to social problems we know only vaguely about—Barbara Ehrenreich’s foray into “unskilled” work, chronicled in Nickel and Dimed, is a prime example. . ."